18679774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{10459}}^1$

素因数の和:10527

約数の個数: 16

約数和(自身を含む): 30124800

約数和(自身を除く): 11445026

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 10459, 20918, 198721, 397442, 491573, 983146, 9339887, 18679774]

約数ペア:

[(1, 18679774), (2, 9339887), (19, 983146), (38, 491573), (47, 397442), (94, 198721), (893, 20918), (1786, 10459)]